(19)

(11)

EP 2 198 271 A2

(12)

(88) Date of publication A3: 28.05.2009 (43) Date of publication: 23.06.2010 Bulletin 2010/25 (21) Application number: 08836363.5 (22) Date of filing: 03.10.2008

(51) International Patent Classification (IPC):  G01N 21/55(2006.01) G01N 21/64(2006.01) (86) International application number: PCT/US2008/011485 (87) International publication number: WO 2009/045524 (09.04.2009 Gazette 2009/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 06.10.2007 US 997974 P 09.01.2008 US 10442 (71) Applicant: Corning Incorporated Corning, NY 14831 (US)

(72) Inventors: FANG, Ye Painted Post New York 14870 (US) FERRIE, Ann M. Painted Post New York 14870 (US) LAHIRI, Joydeep Painted Post New York 14870 (US) MUDALIAR, Deepti J. Horseheads New York 14845 (US) WU, Qi Painted Post New York 14870 (US) (74) Representative: Behnisch, Werner  Reinhard, Skuhra, Weise & Partner GbR Patent- und Rechtsanwälte Friedrichstrasse 31 80801 München 80801 München (DE)